<template>
  <div>
    <el-dialog :title="form._id ? '修改' : '新增'" :visible.sync="dialogFormVisible" width="400px">
      <el-form :model="form" ref="form" :rules="rules" label-width="100px">
        <el-form-item label="图片" prop="img">
          <div @click="openFile" style="overflow:hidden; width:100px;font-size:32px; height:100px;border:1px dashed #ccc;text-align:center;line-height:100px;">
            <img style="max-width:100%;max-height:100%" v-if="form.img" :src="form.img" />
            <span v-else>+</span>
          </div>
          <input ref="file" style="display:none;" multiple accept="image/*" type="file" @change="changeFile"/>
        </el-form-item>
        <el-form-item label="标题" prop="title">
          <el-input type="text" v-model="form.title"></el-input>
        </el-form-item>
        <el-form-item label="跳转地址" prop="url">
          <el-input type="text" v-model="form.url"></el-input>
        </el-form-item>
        <el-form-item label="类型" prop="type">
          <el-select v-model="form.type" placeholder="请选择">
            <el-option
              v-for="type in types"
              :key="type.value"
              :label="type.label"
              :value="type.value"
            >
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item>
          <el-button @click="dialogFormVisible = false">取消</el-button>
          <el-button type="primary" @click="submit">确 定</el-button>
        </el-form-item>
      </el-form>
    </el-dialog>
  </div>
</template>

<script>
import api from '@/api'

export default {
  name: "shouyeBannerEdit",
  components: {},
  data() {
    return {
      dialogFormVisible: false,
      form: {
        _id: 0,
        img: "",
        type: "banner",
        url: "",
        title: "",
      },
      rules: {
        img: [{ required: true, message: "图片不能为空", trigger: "blur" }],
        title: [{ required: true, message: "标题不能为空", trigger: "blur" }],
      },
      types: [
        { label: "轮播图", value: "banner" },
        { label: "分类区", value: "category" },
        { label: "为您推荐", value: "recomend" },
      ],
    };
  },
  methods: {
    add() {
      //初始化
      (this.form = {
        _id: 0,
        img: "",
        type: "banners",
        url: "",
        title: "",
      }),
        (this.dialogFormVisible = true);
    },

    edit(row) {
      this.form = row;
      this.dialogFormVisible = true;
    },

    openFile(){
      let fileElement = this.$refs.file
      fileElement.click()
    },
   
   //图片上传
    changeFile(e){
     let files = e.target.files
     let formData = new FormData()
     formData.append('file',files[0])

     this.$http({
       url:'/upload',
       method:'POST',
       data:formData
     }).then(res =>{
       var path = res.path.split("\\");
         path = path[0] + "/" + path[1];
         console.log(path);         
       if(res.path) this.form.img = api.baseURL + '/' + path 
     })
    },

    submit() {
      this.$refs.form.validate((valid) => {
        if (valid) {
          this.form.indexId = this.form._id;
          this.$http({
            url: "/admin/index",
            method: this.form.indexId ? "PUT" : "POST", //通过indexId判断新增还是修改
            data: this.form,
          }).then((res) => {
            if (!res.errorMsg) {
              this.dialogFormVisible = false
              this.$emit('load',this.form.indexId ? undefined : 1)
            }
          });
        }
      });
    },
  },
  created() {},
  mounted() {},
};
</script>

<style>

</style>